Refactor swizzle names and types.

src/core/SkOpts.cpp

Index: src/core/SkOpts.cpp
diff --git a/src/core/SkOpts.cpp b/src/core/SkOpts.cpp
index 5f1a36c1bef13765646fa5c8fa5759e86500e33b..c078d8590d0888c80a6babd5760d20fb88d867b8 100644
--- a/src/core/SkOpts.cpp
+++ b/src/core/SkOpts.cpp
@@ -81,9 +81,9 @@ namespace SkOpts {
     decltype(matrix_scale_translate) matrix_scale_translate = sk_default::matrix_scale_translate;
     decltype(matrix_affine)          matrix_affine          = sk_default::matrix_affine;
 
-    decltype(       premul_xxxa)        premul_xxxa = sk_default::       premul_xxxa;
-    decltype(       swaprb_xxxa)        swaprb_xxxa = sk_default::       swaprb_xxxa;
-    decltype(premul_swaprb_xxxa) premul_swaprb_xxxa = sk_default::premul_swaprb_xxxa;
+    decltype(RGBA_to_BGRA) RGBA_to_BGRA = sk_default::RGBA_to_BGRA;
+    decltype(RGBA_to_rgbA) RGBA_to_rgbA = sk_default::RGBA_to_rgbA;
+    decltype(RGBA_to_bgrA) RGBA_to_bgrA = sk_default::RGBA_to_bgrA;
 
     // Each Init_foo() is defined in src/opts/SkOpts_foo.cpp.
     void Init_ssse3();